2 Answers

The eighth digit or letter of the VIN number, located on the dashboard, driver's side, right where the windshield meets the dash, will allow you to call any auto parts store and get the engine type and specifications of your vehicle.

^^ Not totally true. This typically only works with domestics. It may with Mazda's, but Honda, Toyota, and other imports it wouldn't. I would guess that it will for your MX-6 since it shares its roots with the Ford Probe.
However, the 2.5l is a V-6, so you know, and if it says DOHC or 24 Valve on the top of the engine (should say 24Valve) Then you know that its a dual overhead cam v-6. Should be all you need to know.

This morning on my way to work, my car felt as if it wasn't getting enough fuel/air
when pressing the gas pedal to get enough power. When I would accelerate, the car
would feel shaky and felt as if ...

Is there a way to measure these fluid levels already in the system so ratio will be good and not have too much/little oil for example. Can anyone help me learn what the AC system ratio of oil to refr...